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GB2094033B - Method and apparatus for measuring selected characteristics of fluids - Google Patents

Method and apparatus for measuring selected characteristics of fluids

Info

Publication number
GB2094033B
GB2094033B GB8205290A GB8205290A GB2094033B GB 2094033 B GB2094033 B GB 2094033B GB 8205290 A GB8205290 A GB 8205290A GB 8205290 A GB8205290 A GB 8205290A GB 2094033 B GB2094033 B GB 2094033B
Authority
GB
United Kingdom
Prior art keywords
fluids
selected characteristics
measuring selected
measuring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB8205290A
Other versions
GB2094033A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CONS DESIGN Inc
Consolidated Design Inc
Original Assignee
CONS DESIGN Inc
Consolidated Design Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CONS DESIGN Inc, Consolidated Design Inc filed Critical CONS DESIGN Inc
Publication of GB2094033A publication Critical patent/GB2094033A/en
Application granted granted Critical
Publication of GB2094033B publication Critical patent/GB2094033B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D21/00—Control of chemical or physico-chemical variables, e.g. pH value
    • G05D21/02—Control of chemical or physico-chemical variables, e.g. pH value characterised by the use of electric means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1906—Control of temperature characterised by the use of electric means using an analogue comparing device
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
GB8205290A 1981-02-25 1982-02-23 Method and apparatus for measuring selected characteristics of fluids Expired GB2094033B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23607281A 1981-02-25 1981-02-25

Publications (2)

Publication Number Publication Date
GB2094033A GB2094033A (en) 1982-09-08
GB2094033B true GB2094033B (en) 1985-01-03

Family

ID=22888024

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8205290A Expired GB2094033B (en) 1981-02-25 1982-02-23 Method and apparatus for measuring selected characteristics of fluids

Country Status (6)

Country Link
JP (1) JPS57211046A (en)
CA (1) CA1181486A (en)
DE (1) DE3206752A1 (en)
FR (1) FR2500656A1 (en)
GB (1) GB2094033B (en)
IT (1) IT1154482B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3316328A1 (en) * 1982-05-27 1983-12-01 Atomic Energy of Canada Ltd., Ottawa, Ontario MICROWAVE MEASURING DEVICE FOR THE EMPTY SPACE IN A LIQUID FLOW
US4679426A (en) * 1985-09-09 1987-07-14 Fuller Milton E Wave shape chemical analysis apparatus and method
GB2247081B (en) * 1987-06-01 1992-05-06 Master Chemical Corp Concentration detection system
US4767982A (en) * 1987-06-01 1988-08-30 Master Chemical Corporation Concentration detection system
FR2616259B1 (en) * 1987-06-02 1993-11-12 Electricite De France METHOD AND DEVICE FOR MEASURING THE LITHIUM CONCENTRATION IN THE PRIMARY COOLING CIRCUIT OF A NUCLEAR REACTOR
US5522660A (en) * 1994-12-14 1996-06-04 Fsi International, Inc. Apparatus for blending and controlling the concentration of a liquid chemical in a diluent liquid
CN114950309B (en) * 2021-02-25 2023-12-22 大加香料技术(天津)有限公司 Continuous Grignard reagent reactor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2611804A (en) * 1948-01-28 1952-09-23 Gen Precision Lab Inc Measuring apparatus
US2703079A (en) * 1951-08-13 1955-03-01 Raytheon Mfg Co Method of and apparatus for determining the oxygen content of a gas
US3034046A (en) * 1959-10-12 1962-05-08 Sasaki Shinichi Automatic moisture content determination and control apparatus
US3265873A (en) * 1961-10-10 1966-08-09 George K Mckenzie System for monitoring and control of material in a continuing process
NL6414967A (en) * 1964-12-23 1966-06-24
US3494328A (en) * 1966-09-01 1970-02-10 Addressograph Multigraph Liquid photoelectrostatic developer unit
US3701943A (en) * 1967-09-07 1972-10-31 Nils Kaiser Process and double-bridge arrangement for examination of rapid phase and amplitude changes of high-frequency waves caused by a medium under test

Also Published As

Publication number Publication date
FR2500656A1 (en) 1982-08-27
JPS57211046A (en) 1982-12-24
GB2094033A (en) 1982-09-08
IT1154482B (en) 1987-01-21
DE3206752A1 (en) 1982-12-09
IT8267208A1 (en) 1983-08-25
CA1181486A (en) 1985-01-22
IT8267208A0 (en) 1982-02-25

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee